Comparison of Day and Night Closed-loop With Faster-acting Insulin Aspart With Insulin Aspart

Participants will be advised to change their usual insulin to the corresponding study visit insulin formulation, 24 hours prior to admission. (For example; if the participant is on insulin aspart, this will be changed to faster-acting aspart 24-hour prior to the admission for closed loop with faster-acting aspart and vice versa).

Participants will be advised to maintain their usual insulin 24 hours prior to admission.